Junior High School Mathematics: Book One, Volume 1D.C. Heath & Company, 1921 |
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Page vii
... protractor , square , and rule has been furnished with the text . Since it is not needed until the work in geometry begins , it may be advisable to collect all the cards for safe keeping until then . The cards furnished are made of as ...
... protractor , square , and rule has been furnished with the text . Since it is not needed until the work in geometry begins , it may be advisable to collect all the cards for safe keeping until then . The cards furnished are made of as ...
Page 113
... protractor , and an English - metric scale . One such card is furnished with this text . ( In this text , all the examples are stated in terms of English units of measure . If practice in the use of metric units is desired , the teacher ...
... protractor , and an English - metric scale . One such card is furnished with this text . ( In this text , all the examples are stated in terms of English units of measure . If practice in the use of metric units is desired , the teacher ...
Page 130
... protractor is the tool for measuring an angle . A convenient form of protractor is part of the geometry card furnished with this text . On your card , find the cen- ter O of the protractor and the diameter AOB . NOTE . Observe that ...
... protractor is the tool for measuring an angle . A convenient form of protractor is part of the geometry card furnished with this text . On your card , find the cen- ter O of the protractor and the diameter AOB . NOTE . Observe that ...
Page 131
... protractor scale , and the size of the angle can be read . In the figure , 1 contains 47 ° and 2 contains 133 ° . Sometimes it may be necessary to extend the side VS so that it will cut the protractor scale . 120 110 2,00 130 70 ୨୯ ...
... protractor scale , and the size of the angle can be read . In the figure , 1 contains 47 ° and 2 contains 133 ° . Sometimes it may be necessary to extend the side VS so that it will cut the protractor scale . 120 110 2,00 130 70 ୨୯ ...
Page 133
... protractor , draw its bisector . Test the accuracy of your drawing by means of your tracing paper . Inside each of the halves , print its size . 7. Draw on paper an obtuse angle . Then without measuring it , draw a ray which you think ...
... protractor , draw its bisector . Test the accuracy of your drawing by means of your tracing paper . Inside each of the halves , print its size . 7. Draw on paper an obtuse angle . Then without measuring it , draw a ray which you think ...
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Common terms and phrases
acre amount due arc degrees average bisect bisector borrowed bought bushel butter fat coal common fraction compasses Construct cubic foot decimal place decimal point diagonals diameter discount Divide dozen Draw a segment Draw the altitude drill equal Example feet figure Find the area Find the cost Find the interest finding the base following numbers formula gallon geometry gross profit hypotenuse improper fraction inches long increase isosceles trapezoid length Liberty Bond list price marked marked price measure miles months Multiply the numbers number decreased number of days numbers of Row parallelogram parallelopiped percentage perpendicular pound print or write protractor pupils quotient rate per cent received rectangle represent right angle right triangle saved by buying scale drawing selling price sides sold Solution square inches subtract Test tracing paper trapezoid triangle ABC vertex vertical weight wide zoid
Popular passages
Page 220 - Liquid Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Page 221 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 219 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Page 220 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Page 219 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Page 219 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Page 220 - AVoIRDUPOIS WEIGHT 16 ounces (oz.) = 1 pound (Ib.). 100 pounds = 1 hundredweight (cwt.). 20 hundredweight = 1 ton (T.).
Page 103 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 221 - Money 100 pfennige = 1 mark 1 mark = 28.8 cents Miscellaneous Measures Numbers Paper 12 units = 1 dozen (doz.) 24 sheets = 1 quire 20 units = 1 score 20 quires = 1 ream 12 dozen = 1 gross (gr.) 2 reams = 1 bundle 12 gross = 1 great gross 5 bundles = 1 bale Some Standard Weights (Used in most of the States) Wheat . . . . . . 60 Ib.
Page 220 - MEASURE 60 minims (lt\,) = 1 fluid dram (f 3) 8 fluid drams = 1 fluid ounce (f 3 ) 16 fluid ounces = 1 pint (O) 8 pints = 1 gallon (cong...